:root {
  --bg: #12100e;
  --surface: #1c1917;
  --surface-2: #262220;
  --line: #38312c;
  --text: #f2ede7;
  --muted: #a49c94;
  --accent: #b58863;   /* the dark square of a lichess board */
  --accent-2: #f0d9b5; /* the light square */
  --good: #7fb069;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  padding: 18px 20px; max-width: 1000px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 22px; }
.piece { font-size: 26px; color: var(--accent-2); }
.me { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.me select, .btn, input, textarea {
  font: inherit; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 8px; padding: 7px 10px;
}
.me select { max-width: 190px; }

.tabs {
  display: flex; gap: 4px; padding: 0 20px;
  max-width: 1000px; margin: 0 auto 20px; border-bottom: 1px solid var(--line);
}
.tab {
  background: none; border: 0; border-bottom: 2px solid transparent;
  color: var(--muted); font: inherit; font-weight: 500;
  padding: 10px 14px; cursor: pointer; border-radius: 0;
}
.tab:hover { color: var(--text); }
.tab.is-active { color: var(--accent-2); border-bottom-color: var(--accent); }

main { max-width: 1000px; margin: 0 auto; padding: 0 20px 60px; }
.panel { display: none; }
.panel.is-active { display: block; }
.status { color: var(--muted); padding: 24px 0; }
.status.error { color: #e07a5f; }
.section-heading { font-size: 15px; color: var(--muted); margin: 32px 0 12px; }

.filters { display: flex; gap: 6px; margin-bottom: 14px; flex-wrap: wrap; }
.filter {
  font: inherit; font-size: 13px; font-weight: 500; cursor: pointer;
  background: var(--surface); color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px;
}
.filter:hover { color: var(--text); }
.filter.is-active { background: var(--accent); border-color: var(--accent); color: #1a1512; }

.table-wrap { overflow-x: auto; }
table.lb { width: 100%; border-collapse: collapse; min-width: 640px; }
table.lb th, table.lb td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); }
table.lb th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; white-space: nowrap; }
table.lb .num { text-align: right; }
table.lb th.sortable { cursor: pointer; user-select: none; }
table.lb th.sortable:hover { color: var(--text); }
table.lb th.sorted-by { color: var(--accent-2); }
table.lb th.sorted-by::after { content: " ↓"; }
table.lb tbody tr:hover { background: var(--surface); }
.rank { color: var(--muted); font-variant-numeric: tabular-nums; }
.player { font-weight: 500; }
.player a { color: inherit; text-decoration: none; }
.player a:hover { text-decoration: underline; }
.is-me .player { color: var(--accent-2); }
.total { font-weight: 700; font-variant-numeric: tabular-nums; }
td.num { font-variant-numeric: tabular-nums; }
.wdl { color: var(--muted); font-size: 13px; }
td.unranked { color: var(--muted); }
.wdl-inline { color: var(--muted); font-size: 12px; margin-left: 4px; }
/* Arena score is meaningless when only challenges are shown. */
table.lb.hide-arena .col-arena { display: none; }
.idle-note { color: var(--muted); font-size: 13px; margin: 12px 0 0; }
#season-note { margin: 0 0 18px; }
/* Separates the league table proper from Lichess's own scores, and from the action. */
table.lb th.sep, table.lb td.sep { border-left: 2px solid var(--line); padding-left: 16px; }
.medal { margin-right: 6px; }

.btn { cursor: pointer; }
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn:disabled { opacity: .35; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #1a1512; font-weight: 600; }
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); }
.btn-sm { padding: 5px 10px; font-size: 13px; }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; margin-bottom: 14px;
}
.card h3 { font-size: 17px; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.badge {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em;
  padding: 3px 7px; border-radius: 5px; border: 1px solid var(--line); color: var(--muted);
}
.badge-swiss { color: var(--accent-2); border-color: var(--accent); }
.card .meta a { color: var(--accent-2); }
.card .meta { color: var(--muted); font-size: 13px; }
.countdown {
  font-size: 30px; font-weight: 700; font-variant-numeric: tabular-nums;
  color: var(--accent-2); margin: 12px 0 4px;
}
.live { color: var(--good); }
.card-actions { margin-top: 14px; display: flex; gap: 10px; flex-wrap: wrap; }

.podium { display: flex; gap: 10px; flex-wrap: wrap; margin: 10px 0 4px; }
.podium div { background: var(--surface-2); border-radius: 8px; padding: 6px 12px; font-size: 14px; }
details { margin-top: 10px; }
details summary { cursor: pointer; color: var(--muted); font-size: 13px; }
details summary:hover { color: var(--text); }
details table { width: 100%; border-collapse: collapse; margin-top: 10px; }
details th, details td { padding: 6px 10px; text-align: left; border-bottom: 1px solid var(--line); font-size: 14px; }
details th { color: var(--muted); font-size: 12px; font-weight: 600; }
details .num { text-align: right; font-variant-numeric: tabular-nums; }
details td.muted { color: var(--muted); }

.open-challenges { margin-top: 28px; }
.open-challenges h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 8px; }
.open-challenges ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.open-challenges li {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 12px; font-size: 14px;
}
.open-challenges a { color: var(--accent-2); }
.updated { color: var(--muted); font-size: 12px; margin-top: 24px; line-height: 1.6; max-width: 70ch; }

dialog {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; max-width: 440px; width: calc(100% - 40px);
}
dialog::backdrop { background: rgba(0,0,0,.6); }
dialog h2 { font-size: 18px; margin-bottom: 10px; }
dialog p { margin: 10px 0 0; }
dialog a { color: var(--accent-2); }
dialog menu { margin: 18px 0 0; padding: 0; display: flex; justify-content: flex-end; gap: 8px; }
.link-row { display: flex; gap: 8px; margin-top: 12px; }
.link-row input { flex: 1; min-width: 0; font-size: 13px; }
.hint { color: var(--muted); font-size: 13px; }
.err { color: #e07a5f; }

@media (max-width: 560px) {
  .topbar { padding: 14px 16px; }
  main, .tabs { padding-left: 16px; padding-right: 16px; }
  .countdown { font-size: 24px; }
}